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Test long entity value and external entity with duff allocator

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Rhodri James 2017-05-05 15:21:00 +01:00 • committed by Sebastian Pipping
parent fcae5d20aa
commit eb99fe2529
1 changed files with 62 additions and 0 deletions
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62
expat/tests/runtests.c
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@ -8203,6 +8203,67 @@ START_TEST(test_alloc_long_public_id)
#undef MAX_ALLOC_COUNT
END_TEST
START_TEST(test_alloc_long_entity_value)
{
const char *text =
"<!DOCTYPE doc [\n"
" <!ENTITY e1 '"
/* 64 characters per line */
"Long entity value that should provoke a string pool to grow whil"
"e setting up to parse the external entity below. xyz0123456789AB"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AB"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AB"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AB"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AB"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AB"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AB"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AB"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AB"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AB"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AB"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AB"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AB"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AB"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AB"
"'>\n"
" <!ENTITY e2 SYSTEM 'bar'>\n"
"]>\n"
"<doc>&e2;</doc>";
char entity_text[] = "Hello world";
int i;
#define MAX_ALLOC_COUNT 20
int repeat = 0;
for (i = 0; i < MAX_ALLOC_COUNT; i++) {
/* Repeat certain counts to defeat cached allocations */
if (i == 5 && repeat == 4) {
i -= 2;
repeat++;
}
else if ((i == 2 && repeat < 3) ||
(i == 3 && repeat == 3) ||
(i == 4 && repeat == 5) ||
(i == 5 && repeat == 6)) {
i--;
repeat++;
}
allocation_count = i;
XML_SetUserData(parser, entity_text);
XML_SetParamEntityParsing(parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
XML_SetExternalEntityRefHandler(parser, external_entity_alloc);
if (_XML_Parse_SINGLE_BYTES(parser, text, strlen(text),
XML_TRUE) != XML_STATUS_ERROR)
break;
XML_ParserReset(parser, NULL);
}
if (i == 0)
fail("Parsing worked despite failing allocations");
else if (i == MAX_ALLOC_COUNT)
fail("Parsing failed even at max allocation count");
}
#undef MAX_ALLOC_COUNT
END_TEST
static void
nsalloc_setup(void)
@ -10096,6 +10157,7 @@ make_suite(void)
tcase_add_test(tc_alloc, test_alloc_long_doc_name);
tcase_add_test(tc_alloc, test_alloc_long_base);
tcase_add_test(tc_alloc, test_alloc_long_public_id);
tcase_add_test(tc_alloc, test_alloc_long_entity_value);
suite_add_tcase(s, tc_nsalloc);
tcase_add_checked_fixture(tc_nsalloc, nsalloc_setup, nsalloc_teardown);